True or False
Zeros at the end of a number are significant.
False. Zeros at the end of numbers are often considered as place holders.
How many significant figures in 504?
THREE
All non-zero digits are significant. Zeros between non-zero digits are always significant.
Nonzero numbers are always significant.
True
How many significant figures in a substance with a mass of 0.034 grams?
TWO
Zeros in front of a number are not significant.
Zeros between two nonzero digits are always significant.
True
How many significant figures in a substance with a mass of 0.07080 grams?
FOUR
Trailing zeros to the right of a decimal point are significant once they follow a non-zero number.
The zeros in 25.008 are NOT significant.
False
Zeros between non-zero numbers are significant.
How many significant figures are in the number 5.9 x 10^4?
TWO
5.9 x 10^4 expanded is 59,000
Trailing zeros to the left of the decimal point are not significant
How many significant figures are there in the number below?
10.007500
EIGHT
All non-zero numbers are significant.
Zeros between non-zero numbers are significant.
Trailing zeros to the right of the decimal point are significant once they follow a non-zero number.